sending messages with delay

Hello,
Until now I use in my company qmail where all the messages that are beeing sent, are stored in the server and every 10 minutes are delivered. This sending delay helps to delete message that was written with mistakes.

Now I decided after some time of testing to migrate to zimbra. However, I am not able to find how to set up the same or similar way of delivering the messages with delay.

Please, is it possible to delay sending the messages both from web UI and
thunderbird front-end?